40003424 has 12 divisors (see below), whose sum is σ = 78756804. Its totient is φ = 20001696.

The previous prime is 40003409. The next prime is 40003451. The reversal of 40003424 is 42430004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625022 + ... + 625085.

It is an arithmetic number, because the mean of its divisors is an integer number (6563067).

Almost surely, 2^40003424 is an apocalyptic number.

It is an amenable number.

40003424 is a deficient number, since it is larger than the sum of its proper divisors (38753380).

40003424 is a wasteful number, since it uses less digits than its factorization.

40003424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250117 (or 1250109 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 40003424 is about 6324.8260055119. The cubic root of 40003424 is about 342.0049473197.

Adding to 40003424 its reverse (42430004), we get a palindrome (82433428).

The spelling of 40003424 in words is "forty million, three thousand, four hundred twenty-four".